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Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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FAQs
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SH7040 wait pin input: What if the setup and hold times are not met ?
In general, if the WAIT input changes between the setup and hold time, it cannot be guarranteed that a WAIT cycle will be inserted by the BSC. There is no danger of latchup in this case however.
Mar 18, 2009 -
What are the differences between SH7040 series and SH7144 series?
SH7144 series is the inherited model of SH7040 series.The operating frequency is much more accelerated by improving from 28.7MHz to 50MHz.The main difference between SH7144 series and SH7040 series are as follows; •The supply voltage of SH7144 series is only 3.3V. (5V is not supported.)• SH7144 ...
Mar 25, 2009 -
Is it OK that AVcc pins and AVss pins are in the release state?
No, it is not OK. Do not put AVcc pins and AVss pins in the release state even when converter is not used. When A/D converter is not used, set as follows; AVcc=Vcc, AVss=Vss, AVref=Vcc. If the product has AVref pins, set as follows; AVref ...
Mar 23, 2009